Designing a high efficiency delay-element is a challenge for low-power low-voltage digital circuits. The delay element circuit has a considering effect on efficiency of low-voltage digital circuits. In sub-micron technologies that lowering the power and the voltage of t More
Designing a high efficiency delay-element is a challenge for low-power low-voltage digital circuits. The delay element circuit has a considering effect on efficiency of low-voltage digital circuits. In sub-micron technologies that lowering the power and the voltage of the systems is essentially required, design of a highly linear large dynamic range delay element is an important issue for designers. In this paper high linearity delay element is proposed employing the sub-threshold source coupled logic (STSCL) circuits. The presented circuit has a considerable controlling of the delay value by a control voltage. Improvements of dynamic-range and the linearity of the circuit show the operation of the delay element in sub-threshold region.
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